Question 1

Nonessential amino acids are those which can be synthesized by the body.

Accepted Answer

A) True 
 B)False  True

Question 2

Protein denaturation results in a disruption of the

Accepted Answer

A) primary structure. 
B) secondary and tertiary structure. 
C) primary and secondary structure. 
D) primary, secondary and tertiary structure. 
A) primary structure. 
B) secondary and tertiary structure. 
C) primary and secondary structure. 
D) primary, secondary and tertiary structure. B

Question 3

What is the three-letter representation for the peptide given below?

Accepted Answer

A) Ala-Ser-Ala-Gly-Gly 
B) Gly-Gly-Ala-Ser-Ala 
C) Gly-Ala-Ser 
D) Gly-Ala-Ser-Ala 
A) Ala-Ser-Ala-Gly-Gly 
B) Gly-Gly-Ala-Ser-Ala 
C) Gly-Ala-Ser 
D) Gly-Ala-Ser-Ala B

Question 4

During the urea cycle, nitrogen is removed from amino acids and subsequently converted it to urea.

Accepted Answer

A) True 
 B)False

Question 5

An amino acid can be correctly characterized as:

Accepted Answer

A) True 
 B)False

Question 6

The reaction in the breakdown of amino acids that involves the removal of nitrogen is

Accepted Answer

A) oxidative decarboxylation. 
B) transamination. 
C) oxidative deamination. 
D) nitrogen fixation 
A) oxidative decarboxylation. 
B) transamination. 
C) oxidative deamination. 
D) nitrogen fixation

Question 7

Both isoleucine and alanine can be synthesized from other nutrients.

Accepted Answer

A) True 
 B)False

Question 8

Is it possible for a person who consumes substantial amounts of protein in their diet to suffer from protein deficiency? Explain.

Accepted Answer

Yes.
If the "substantial amount" does no

Question 9

Draw two ways serine can hydrogen bond with water.

Accepted Answer

Hydrogen b

Question 10

How many different amino acids are commonly found in proteins?

Accepted Answer

A) 10 
B) 20 
C) 200 
D) 1000 
A) 10 
B) 20 
C) 200 
D) 1000

Question 11

Pyruvate dehydrogenase contains a Mg2+ ion. The magnesium ion is called a coenzyme.

Accepted Answer

A) True 
 B)False

Question 12

The following amino acid would be found in the interior of a protein.

Accepted Answer

A) True 
 B)False

Question 13

Consider the following representation of an enzyme-catalyzed reaction.   This image could represent the reaction in which lactase catalyzes the hydrolysis of lactose (a disaccharide)into glucose and galactose (two monosaccharides).
Fill in the blanks with the appropriate letter (A,B,C,D,....)from the image.
-A competitive inhibitor would resemble _____________________.

Accepted Answer

The answer of Consider the following representation of an enzyme-catalyzed...

Question 14

Consider the following representation of an enzyme-catalyzed reaction.   This image could represent the reaction in which lactase catalyzes the hydrolysis of lactose (a disaccharide)into glucose and galactose (two monosaccharides).
Fill in the blanks with the appropriate letter (A,B,C,D,....)from the image.
-The active site of the enzyme is represented by ___________________.

Accepted Answer

The answer of Consider the following representation of an enzyme-catalyzed...

Question 15

Consider the following representation of an enzyme-catalyzed reaction.   This image could represent the reaction in which lactase catalyzes the hydrolysis of lactose (a disaccharide)into glucose and galactose (two monosaccharides).
Fill in the blanks with the appropriate letter (A,B,C,D,....)from the image.
-Galactose could be represented by __________________.

Accepted Answer

The answer of Consider the following representation of an enzyme-catalyzed...

Question 16

Total nitrogen in the diet must provide enough nitrogen for the synthesis of

Accepted Answer

A) essential amino acids. 
B) nonessential amino acids. 
C) nonessential amino acids and any other synthesized nitrogen-containing compounds. 
D) essential amino acids and any other synthesized nitrogen-containing compounds. 
A) essential amino acids. 
B) nonessential amino acids. 
C) nonessential amino acids and any other synthesized nitrogen-containing compounds. 
D) essential amino acids and any other synthesized nitrogen-containing compounds.

Question 17

Addition of 0.050 M NaOH to a protein solution would have the most profound effect on which of the listed amino acids?

Accepted Answer

A) phenylalanine 
B) serine 
C) methionine 
D) aspartic acid 
A) phenylalanine 
B) serine 
C) methionine 
D) aspartic acid

Question 18

Consider the following representation of an enzyme-catalyzed reaction.   This image could represent the reaction in which lactase catalyzes the hydrolysis of lactose (a disaccharide)into glucose and galactose (two monosaccharides).
Fill in the blanks with the appropriate letter (A,B,C,D,....)from the image.
-The reactants, water and lactose, are represented in the image by __________________ and _________________.

Accepted Answer

The answer of Consider the following representation of an enzyme-catalyzed...

Question 19

An alpha amino acid contains

Accepted Answer

A) an amine group on the carbon next to the carboxylic acid group. 
B) two amine groups. 
C) two carboxylic acid groups. 
D) an amine group on the end carbon. 
A) an amine group on the carbon next to the carboxylic acid group. 
B) two amine groups. 
C) two carboxylic acid groups. 
D) an amine group on the end carbon.

Question 20

Consider the amino acid sequence given below. Gly-Ala-Thr-Cys
Ala would be considered

Accepted Answer

A) neither C-terminal or N-terminal. 
B) C-terminal. 
C) N-terminal. 
A) neither C-terminal or N-terminal. 
B) C-terminal. 
C) N-terminal.

Nonessential amino acids are those which can be synthesized by the body.

Protein denaturation results in a disruption of the

What is the three-letter representation for the peptide given below?

During the urea cycle, nitrogen is removed from amino acids and subsequently converted it to urea.

An amino acid can be correctly characterized as:

The reaction in the breakdown of amino acids that involves the removal of nitrogen is

Both isoleucine and alanine can be synthesized from other nutrients.

Is it possible for a person who consumes substantial amounts of protein in their diet to suffer from protein deficiency? Explain.

Draw two ways serine can hydrogen bond with water.

How many different amino acids are commonly found in proteins?

Pyruvate dehydrogenase contains a Mg²⁺ ion. The magnesium ion is called a coenzyme.

The following amino acid would be found in the interior of a protein.

Total nitrogen in the diet must provide enough nitrogen for the synthesis of

Addition of 0.050 M NaOH to a protein solution would have the most profound effect on which of the listed amino acids?

An alpha amino acid contains

Consider the amino acid sequence given below. Gly-Ala-Thr-Cys Ala would be considered

Measurements in Science and Medicine

Atoms, Elements, and Compounds

Chemical Bonds

Energy and Physical Properties

Solution Concentration

Chemical Reactions

Acids and Bases

Nuclear Chemistry

Hydrocarbons: An Introduction to Organic Molecules

Hydration, Dehydration, and Alcohols

Carbonyl Compounds and Redox Reactions

Organic Acids and Bases

Condensation and Hydrolysis Reactions

Carbohydrates

Lipids and Membranes

Nucleic Acids, Protein Synthesis, and Heredity

Filters

Exam 14: Proteins

Nonessential amino acids are those which can be synthesized by the body.

Protein denaturation results in a disruption of the

What is the three-letter representation for the peptide given below?

During the urea cycle, nitrogen is removed from amino acids and subsequently converted it to urea.

An amino acid can be correctly characterized as:

The reaction in the breakdown of amino acids that involves the removal of nitrogen is

Both isoleucine and alanine can be synthesized from other nutrients.

Is it possible for a person who consumes substantial amounts of protein in their diet to suffer from protein deficiency? Explain.

Draw two ways serine can hydrogen bond with water.

How many different amino acids are commonly found in proteins?

Pyruvate dehydrogenase contains a Mg2+ ion. The magnesium ion is called a coenzyme.

The following amino acid would be found in the interior of a protein.

Total nitrogen in the diet must provide enough nitrogen for the synthesis of

Addition of 0.050 M NaOH to a protein solution would have the most profound effect on which of the listed amino acids?

An alpha amino acid contains

Consider the amino acid sequence given below. Gly-Ala-Thr-Cys Ala would be considered

Measurements in Science and Medicine

Atoms, Elements, and Compounds

Chemical Bonds

Energy and Physical Properties

Solution Concentration

Chemical Reactions

Acids and Bases

Nuclear Chemistry

Hydrocarbons: An Introduction to Organic Molecules

Hydration, Dehydration, and Alcohols

Carbonyl Compounds and Redox Reactions

Organic Acids and Bases

Condensation and Hydrolysis Reactions

Carbohydrates

Lipids and Membranes

Nucleic Acids, Protein Synthesis, and Heredity

Filters

Pyruvate dehydrogenase contains a Mg²⁺ ion. The magnesium ion is called a coenzyme.